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.tangled/workflows/build.yml
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.tangled/workflows/build.yml
···
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- jq
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- skopeo
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- nix
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- postgresql_15
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- postgresql_15.pg_config # pg_config is a separate output in nixpkgs 25.05+ / unstable
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- postgresql_15 # libs/headers only — pg_config not included in this nixpkgs snapshot
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- libffi
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- openjpeg
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- pango
···
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python3 -m venv .venv
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# -----------------------------------------------------------------
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# psycopg_c build fix
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# psycopg build strategy
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#
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# In nixpkgs 25.05+ / unstable, pg_config was split into a separate
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# output (postgresql_15.pg_config). We list it explicitly in the
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# dependencies so it's on PATH automatically via the Nix profile.
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# pg_config is not present in the postgresql_15 package in the
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# Nixery nixpkgs snapshot used here — it was split into a separate
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# output that Nixery's dependency syntax can't address (dotted
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# attribute paths like postgresql_15.pg_config silently do nothing).
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#
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# We still use --no-build-isolation for psycopg[c] because pip's
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# PEP 517 build-isolation spawns an isolated subprocess with its
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# own PATH overlay that can shadow the profile PATH. Building
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# without isolation ensures our env vars (PG_CONFIG, PATH,
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# LDFLAGS, CPPFLAGS) are visible to the build backend.
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# Fix: pre-install psycopg[binary] (a self-contained wheel that
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# bundles its own libpq — no pg_config, no compilation required).
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# Pipenv will then see psycopg as already satisfied and skip the
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# source build for psycopg_c.
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# -----------------------------------------------------------------
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echo "=== Locating pg_config ==="
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PG_CONFIG_BIN=""
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# Try 1: already on PATH (expected — postgresql_15.pg_config is in dependencies)
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PG_CONFIG_BIN="$(command -v pg_config 2>/dev/null || true)"
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# Try 2: common Nix profile locations
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if [ -z "$PG_CONFIG_BIN" ]; then
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for p in /nix/var/nix/profiles/default/bin/pg_config \
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/run/current-system/sw/bin/pg_config \
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~/.nix-profile/bin/pg_config; do
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if [ -x "$p" ]; then PG_CONFIG_BIN="$p"; break; fi
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done
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fi
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# Try 3: brute-force search the Nix store
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if [ -z "$PG_CONFIG_BIN" ]; then
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PG_CONFIG_BIN="$(find /nix/store -maxdepth 4 -name pg_config -type f -executable 2>/dev/null | head -1)"
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fi
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echo " pg_config resolved to: ${PG_CONFIG_BIN:-NOT FOUND}"
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if [ -z "$PG_CONFIG_BIN" ]; then
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echo "ERROR: pg_config not found anywhere in the system!"
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echo " Nix store postgresql entries:"
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ls -d /nix/store/*postgresql* 2>/dev/null | head -10 || echo " (none)"
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echo ""
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echo " Full /nix/store bin search:"
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find /nix/store -maxdepth 4 -name 'pg_config' 2>/dev/null || echo " (none)"
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echo ""
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echo " Current PATH: $PATH"
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echo ""
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echo "psycopg_c build WILL fail."
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exit 1
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fi
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PG_INCLUDEDIR="$($PG_CONFIG_BIN --includedir)"
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PG_LIBDIR="$($PG_CONFIG_BIN --libdir)"
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PG_BINDIR="$(dirname "$PG_CONFIG_BIN")"
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PG_SERVER_INCLUDEDIR="$($PG_CONFIG_BIN --includedir-server 2>/dev/null || echo "$PG_INCLUDEDIR")"
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# --- Symlink into well-known dirs (create them if missing) ---
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for d in /usr/local/bin /usr/bin; do
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mkdir -p "$d" 2>/dev/null || true
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ln -sf "$PG_CONFIG_BIN" "$d/pg_config" 2>/dev/null || true
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done
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# --- PATH: prepend pg_config's directory ---
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export PATH="${PG_BINDIR}:/usr/local/bin:${PATH}"
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# --- Compiler / linker flags ---
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export PG_CONFIG="$PG_CONFIG_BIN"
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export LDFLAGS="${LDFLAGS:-} -L${PG_LIBDIR}"
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export CPPFLAGS="${CPPFLAGS:-} -I${PG_INCLUDEDIR} -I${PG_SERVER_INCLUDEDIR}"
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echo " PG_CONFIG = $PG_CONFIG"
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echo " PG_BINDIR = $PG_BINDIR"
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echo " PG_INCLUDEDIR = $PG_INCLUDEDIR"
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echo " PG_SERVER_INCLUDEDIR = $PG_SERVER_INCLUDEDIR"
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echo " PG_LIBDIR = $PG_LIBDIR"
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echo " LDFLAGS = $LDFLAGS"
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echo " CPPFLAGS = $CPPFLAGS"
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echo " PATH (first 3) = $(echo "$PATH" | tr ':' '\n' | head -3 | tr '\n' ':')"
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echo "=== Pre-installing psycopg binary wheel ==="
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.venv/bin/pip install --upgrade pip
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.venv/bin/pip install "psycopg[binary]"
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echo "psycopg binary install: OK"
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echo ""
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# --- Verify pg_config is globally callable ---
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echo " Smoke test (command -v): $(command -v pg_config 2>&1 || echo FAIL)"
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echo " Smoke test (version): $($PG_CONFIG_BIN --version)"
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echo ""
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# --- Step 1: Pre-install psycopg[c] build deps and build it
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# with --no-build-isolation so our env vars (PG_CONFIG, PATH,
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# LDFLAGS, CPPFLAGS) are visible to the build backend.
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# This bypasses pip's isolated subprocess that loses PATH. ---
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echo "=== Pre-installing psycopg[c] with --no-build-isolation ==="
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.venv/bin/pip install setuptools wheel
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.venv/bin/pip install --no-build-isolation "psycopg[c]"
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echo ""
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# --- Step 2: Install remaining production dependencies via pipenv.
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# psycopg[c] is already installed so pipenv will skip rebuilding it. ---
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echo "=== Installing production dependencies ==="
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pipenv install --deploy --categories "packages"
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